Workstation cluster



FIG. 1 is a perspective view of a workstation cluster showing my design;

FIG. 2 is a top plan view thereof;

FIG. 3 is an elevational view taken along line 3--3 of FIG. 2; and,

FIG. 4 is an elevational view taken along line 4--4 of FIG. 2.

The ornamental design for a workstation cluster, as shown and described.